Top Senior .NET Developer Jobs in Austin, TX

Design, build, and maintain scalable backend services and microservices in C#/.NET. Develop secure REST APIs, optimize SQL and NoSQL databases, enforce code quality, write tests, and collaborate on CI/CD and AWS deployments. Mentor mid/junior engineers and support observability, containerization, and DevOps practices.

Owns the design, development, testing, deployment, and maintenance of production software. Builds C#/.NET backend services, Angular web applications, and .NET MAUI mobile apps; optimizes SQL Server databases; resolves production issues; improves reliability, security, performance, and observability; writes tests and documentation; participates in code reviews; and translates ambiguous business needs into maintainable technical solutions.

Leads hands-on full-stack development across architecture, implementation, testing, deployment, and support. Designs secure, scalable C#/.NET and Angular applications, cloud integrations, APIs, and data solutions on AWS. Guides developers, establishes engineering standards, manages CI/CD and automated testing, troubleshoots complex issues, and drives cloud optimization, security, and technical debt reduction. Collaborates with product, architecture, DevOps, analytics, and project teams while supporting migration of on-premises applications to AWS.

Lead a development team while remaining hands-on in full-stack engineering. Design, build, test, deploy, and support secure web applications using C#/.NET, Angular, databases, and AWS. Drive cloud migrations, architecture, CI/CD automation, application security, troubleshooting, performance and cost optimization. Mentor developers, establish engineering standards, lead technical delivery, and collaborate with product, data, DevOps, and architecture teams.

Design, build, and maintain production-grade .NET web applications and APIs on Azure. Own full-stack delivery from data models and SQL to front-end components, CI/CD, testing, and architecture. Collaborate with product and delivery teams, participate in code reviews, and ensure secure, observable, well-tested services.

Build scalable backend-heavy services and applications using C# and .NET, while contributing to Angular and TypeScript UI development. Design and develop REST APIs and microservices, work with relational databases, implement automated testing and CI/CD, and ensure system security, scalability, and performance. Preferred work includes event-driven architectures, messaging systems, NoSQL databases, caching, search technologies, and mentoring engineers or leading technical initiatives.

Develop and maintain scalable, secure .NET and Angular web applications for a career and college planning SaaS platform. Collaborate with product managers, QA, and stakeholders to translate requirements into technical solutions, troubleshoot complex issues, optimize performance, and adopt relevant technologies. The role requires full-stack expertise across Angular, C#, ASP.NET, MVC, REST APIs, .NET Core, and SQL, along with strong communication and ownership in a remote environment.

Develop and maintain web-based applications using .NET/C#, JavaScript, HTML/CSS, SQL and Oracle/SQL Server. Perform root cause analysis, collaborate with teams for requirements, follow Agile SDLC, present change demonstrations, and use Azure DevOps/Jira for lifecycle management. Implement and maintain Blazor components.

Senior .NET Web App Developer responsible for designing and building .NET web applications, implementing Oracle PL/SQL solutions, using Entity Framework and Blazor, applying design principles, producing technical documentation, performing performance tuning, and collaborating in Scrum/Agile teams with Bitbucket, JIRA, Tempo, and Confluence.

Senior .NET Software Engineer responsible for end-to-end software development using Microsoft technologies. Requires extensive experience in SDLC, design principles, technical documentation, web application development with .NET, Agile/SCRUM, Entity Framework, database design, and version control. Familiarity with project tools JIRA, TEMPO, Bitbucket, and Confluence preferred.

Develop and maintain C#/.NET and AWS backend services processing high-volume healthcare EDI transactions. Parse and transform X12 documents, optimize SQL Server stored procedures, manipulate XML data, and troubleshoot complex transaction issues. Design enterprise applications, contribute to shared services, participate in agile development and code reviews, deploy and support production systems, and apply testing, CI/CD, DevOps, and cloud-native engineering practices.

Develop and maintain C#/.NET backend services and AWS cloud-native systems processing high-volume healthcare EDI transactions. Responsibilities include parsing X12 documents, developing APIs, optimizing MSSQL stored procedures and XML data operations, supporting production applications, conducting code reviews, and contributing to agile planning, testing, CI/CD, and reusable platform services. The role also requires troubleshooting complex transaction issues and collaborating with healthcare payers, clearinghouses, and trading partners.

Lead the design, architecture, development, deployment, and optimization of scalable .NET backend systems processing millions of daily healthcare transactions. Mentor developers, guide technical decisions, improve CI/CD pipelines, implement secure APIs, and collaborate with product stakeholders. The role requires expertise in .NET, C#, ASP.NET Core, cloud-native AWS services, Kubernetes, microservices, distributed systems, testing, observability, and secure software development.

Lead end-to-end development of secure, scalable web applications and data solutions supporting clinical trial operations. Design frontend and backend components using C#/.NET, Angular, AWS, and relational or non-relational databases. Guide architecture, testing, deployment, CI/CD, security, cloud optimization, and regulatory compliance. Mentor developers, oversee technical delivery, troubleshoot complex issues, and lead migration and modernization of on-premises applications to AWS.

Develop and maintain software applications using ASP.NET, C#, and Microsoft .NET technologies. Apply object-oriented programming and work with SQL Server, JavaScript, AJAX, XHTML, Visual Studio, and Team Foundation Server. The role requires software development experience and may support safety and graphics business applications, with motor vehicle industry experience preferred.

Develop and support ASP.NET applications, using relational databases and enterprise application technologies. The role requires strong SQL Server skills, logical analysis, attention to detail, and the ability to understand business processes. Preferred experience includes MVC, WCF, dependency injection, ORM frameworks such as NHibernate or Entity Framework, and unit testing with NUnit and Moq.

Develop and maintain ASP.NET applications for enterprise clients. Responsibilities require strong relational database and SQL skills, experience with MVC and WCF, familiarity with IoC, dependency injection, and ORM technologies, and unit testing using NUnit and Moq. The role also involves analyzing business processes, prioritizing critical issues, drawing accurate conclusions, and delivering detail-oriented, logically sound solutions.

Develop software applications using ASP.NET, C#, and Microsoft .NET technologies. The role requires collaborating with development tools and platforms including Visual Studio and Team Foundation Server, with preferred experience in SQL Server, XHTML, JavaScript, and AJAX.

Seeking a Senior .Net Developer with at least 5 years experience in Microsoft technologies for an urgent role with a top insurance company.

Lead technical consultant responsible for full-stack feature development of healthcare portal applications. Duties include translating requirements into UI/UX and technical designs, building Angular frontends and C# ASP.NET Core backends, designing databases, integrating external systems, ensuring performance, security, compliance, mentoring engineers, and contributing to architecture, testing, and CI/CD on Azure.

Develop and architect scalable cloud-based software for an IoT asset-tracking platform. Responsibilities include translating business requirements into technical designs, leading complex feature development, mentoring engineers, conducting code reviews, promoting engineering best practices, evaluating distributed-system trade-offs, and collaborating with product, operations, and customer success teams.

Lead hands-on architecture and development for a cloud-based IoT asset-tracking platform. Design scalable distributed systems, APIs, data models, and platform components; resolve complex performance and reliability challenges; and champion testing, CI/CD, observability, and security practices. Lead an agile engineering team, manage delivery, mentor and hire engineers, collaborate with Product and Operations, and drive adoption of AI development tools and AI/ML capabilities.

Seeking a Senior Software Engineer to design and implement multimedia data systems using C# and .NET Core. Responsibilities involve developing high-performance applications, collaborating with teams, and driving engineering excellence in an Agile environment.

Build and maintain scalable, cloud-native APIs using .NET. Enhance core platform components, lead architecture and testing discussions, optimize telemetry and performance, collaborate cross-functionally, conduct code reviews, and mentor team members.

The Senior .NET Software Engineer will drive development of .NET software products, focusing on back-end engineering, code reviews, and collaborating with cross-functional teams.